Bio STAAR prep Quiz

What are chains of amino acids called?

• Nucleic acids

• Nucleotides

• Proteins

• Carbohydrates

Bob has a mutation that occurs in one of his hepatocytes, which are liver cells. What percentage of Bob's offspring are likely to inherit this mutation?

• 0%

• 25%

• 50%

• 100%

Proteins are chains of:

• Amino acids

• Nucleotides

• Nucleic acids

• Sugars

3'-TACAGGGTGCTACCCACT-5'

Which is the correct amino acid chain encoded by the DNA strand above?

• Methionine—Leucine—Histidine—Aspartate—Glycine

• Methionine—Phenylalanine—Histidine—Aspartate—Glycine

• Methionine—Proline—Histidine—Aspartate—Glycine

• Methionine—Serine—Histidine—Aspartate—Glycine

DNA and RNA are chains of:

• Amino acids

• Nucleotides

• Nucleic acids

• Proteins

AaGG x aaGg

In a cross between the two individuals above, which genotype is not possible in the offspring? (You must draw a punnet square)

**Remember: 1-3, 1-4, 2-3, 2-4**

• AaGG

• Aagg

• aaGg

• aaGG

Humans can have type A, type B, and type O blood. The A and B alleles are codominant to each other and dominant over the O allele. And individual with the AO genotype and an individual with the BO genotype can produce offspring with which of the following phenotypes?

• Type A, B, AB, or O

• Type A or Type B

• Type A, B, or O

• Type O only

DNA and RNA are examples of:

• Amino acids

• Nucleotides

• Nucleic Acids

• Proteins

Another name for "polypeptide chain" is:

• Nucleic Acid

• Nucleotide

• Amino acid

• Protein

Which body system is in charge of producing and releasing hormones?

• Immune system

• Endocrine system

• Nervous system

• Respiratory system